The amount of free testosterone can be altered (increased) by the use of aromatase inhibitors such as TesTo-Rex???. The less testosterone that is synthesized [aromatized] into estrogen, the more total testosterone) or inhibitors of the plasma proteins that bind into testosterone. Manipulating the tendency of a testosterone to exist in an unbound state is an effective way to alter the overall activity and potency of one’s overall testosterone levels. Higher levels of testosterone produce an enhan